JPH01149178U - - Google Patents
Info
- Publication number
- JPH01149178U JPH01149178U JP1988045662U JP4566288U JPH01149178U JP H01149178 U JPH01149178 U JP H01149178U JP 1988045662 U JP1988045662 U JP 1988045662U JP 4566288 U JP4566288 U JP 4566288U JP H01149178 U JPH01149178 U JP H01149178U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- frame
- attached
- guide pieces
- front surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/62—Optical apparatus specially adapted for adjusting optical elements during the assembly of optical systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
- H01J29/894—Arrangements combined with the vessel for the purpose of image projection on a screen
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Lens Barrels (AREA)
Description
第1図は本考案の一実施例の分解斜面図、第2
図は同上の組立断面図、第3図は第2図の―
線断面図である。
1……投写管、3……前面枠、6……レンズ、
12……接触片、13……レンズ枠、14……ガ
イド片、16……ネジ。
Figure 1 is an exploded perspective view of one embodiment of the present invention;
The figure is an assembled sectional view of the same as above, and Figure 3 is the same as Figure 2.
FIG. 1... Projection tube, 3... Front frame, 6... Lens,
12... Contact piece, 13... Lens frame, 14... Guide piece, 16... Screw.
Claims (1)
像面の前面に第1のレンズを取付け、この第1の
レンズの外周部、あるいは該第1のレンズの前面
に取付けられ、かつ、レンズが取付けられている
レンズ枠の何れか一方に中心から等距離で接線に
対して傾斜する複数のガイド片を、また、他方に
該ガイド片に接触する接触片を設け、このガイド
片と接触片との係合によつて第1のレンズとレン
ズ枠とを芯合せした状態において、レンズ枠を前
記取付枠に固定したことを特徴とするプロジエク
シヨンテレビのレンズの芯合せ装置。 A first lens is attached to the front surface of the image plane of the projection tube in a mounting frame for attaching the projection tube, and the lens is attached to the outer periphery of the first lens or to the front surface of the first lens, and the lens is attached. A plurality of guide pieces are provided on one side of the lens frame that is equidistant from the center and inclined with respect to the tangent line, and a contact piece that contacts the guide pieces is provided on the other side, and the engagement between the guide pieces and the contact pieces is provided. 1. A lens alignment device for a projection television, characterized in that the lens frame is fixed to the mounting frame in a state in which the first lens and the lens frame are aligned by alignment.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988045662U JPH0617384Y2 (en) | 1988-04-06 | 1988-04-06 | Projection television lens centering device |
| US07/313,417 US4948226A (en) | 1988-04-06 | 1989-02-22 | Lens alignment apparatus for use in a projection television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988045662U JPH0617384Y2 (en) | 1988-04-06 | 1988-04-06 | Projection television lens centering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01149178U true JPH01149178U (en) | 1989-10-16 |
| JPH0617384Y2 JPH0617384Y2 (en) | 1994-05-02 |
Family
ID=12725588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988045662U Expired - Lifetime JPH0617384Y2 (en) | 1988-04-06 | 1988-04-06 | Projection television lens centering device |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4948226A (en) |
| JP (1) | JPH0617384Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01273491A (en) * | 1988-04-26 | 1989-11-01 | Matsushita Electric Ind Co Ltd | projection television receiver |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4305633A1 (en) * | 1992-02-24 | 1993-10-07 | Valeo Vision | Headlamp with two-part lens holder esp for motor vehicle - has relative positions of lens and reflector fixed by heat-dissipating assembly which grips lens between coaxial collars |
| US5246192A (en) * | 1992-06-26 | 1993-09-21 | Eastman Kodak Company | Mounting apparatus for a scanner camera |
| JP3627252B2 (en) * | 1994-03-30 | 2005-03-09 | ソニー株式会社 | Projection television lens assembly and projection television apparatus |
| JP3214262B2 (en) * | 1994-11-15 | 2001-10-02 | 松下電器産業株式会社 | Projection lens device |
| US6012376A (en) * | 1995-04-28 | 2000-01-11 | Raytheon Company | Gun sight system for a military vehicle |
| US5729393A (en) * | 1996-04-03 | 1998-03-17 | Digital Papyrus Corporation | Optical flying head with solid immersion lens having raised central surface facing medium |
| US6104554A (en) * | 1999-05-06 | 2000-08-15 | U.S. Precision Lens | Projection television lens assembly |
| US6825888B1 (en) | 1999-06-25 | 2004-11-30 | Mitsubishi Digital Electronics America, Inc. | Closure member for optical unit spacer bracket |
| WO2001089208A1 (en) * | 2000-05-15 | 2001-11-22 | Mitsubishi Digital Electronics America, Inc. | Optical unit spacer-bracket for projection television sets |
| US6496232B1 (en) | 2000-05-15 | 2002-12-17 | Mitsubishi Digital Electronics America, Inc. | Optical unit sealing devices for projection television sets |
| US8773784B2 (en) * | 2007-08-14 | 2014-07-08 | Moondog Optics, Inc. | System for reducing the effects of component misalignment in an optical system |
| US9019636B2 (en) | 2010-12-28 | 2015-04-28 | Stmicroelectronics Pte Ltd. | Lens alignment apparatus and method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6228352U (en) * | 1985-08-06 | 1987-02-20 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3048654A (en) * | 1959-05-28 | 1962-08-07 | Rca Corp | Television projection tube alignment |
| JPS6235428A (en) * | 1985-08-06 | 1987-02-16 | Pioneer Electronic Corp | Cooling device for projection television |
-
1988
- 1988-04-06 JP JP1988045662U patent/JPH0617384Y2/en not_active Expired - Lifetime
-
1989
- 1989-02-22 US US07/313,417 patent/US4948226A/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6228352U (en) * | 1985-08-06 | 1987-02-20 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01273491A (en) * | 1988-04-26 | 1989-11-01 | Matsushita Electric Ind Co Ltd | projection television receiver |
Also Published As
| Publication number | Publication date |
|---|---|
| US4948226A (en) | 1990-08-14 |
| JPH0617384Y2 (en) | 1994-05-02 |
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